/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
*    http://www.geo-solutions.it/
*    Copyright 2014 GeoSolutions


* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eclipse.imagen.media.piecewise;

import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import java.awt.image.renderable.RenderedImageFactory;
import org.eclipse.imagen.CRIFImpl;
import org.eclipse.imagen.ImageLayout;
import org.eclipse.imagen.ROI;
import org.eclipse.imagen.media.opimage.RIFUtil;
import org.eclipse.imagen.media.range.Range;

/**
 * {@link RenderedImageFactory} used for generating {@link GenericPiecewiseOpImage} instances
 *
 * @author Nicola Lagomarsini Geosolutions
 */
public class GenericPiecewiseCRIF extends CRIFImpl {

    public GenericPiecewiseCRIF() {
        super(GenericPiecewiseOpImage.OPERATION_NAME);
    }

    public RenderedImage create(ParameterBlock pb, RenderingHints hints) {
        // Getting ImageLayout
        ImageLayout l = RIFUtil.getImageLayoutHint(hints);
        // Getting Source
        RenderedImage source = pb.getRenderedSource(0);
        // Extracting Parameters
        final PiecewiseTransform1D lic = (PiecewiseTransform1D) pb.getObjectParameter(0);
        final Integer bandIndex = pb.getIntParameter(1);
        final ROI roi = (ROI) pb.getObjectParameter(2);
        final Range nodata = (Range) pb.getObjectParameter(3);

        return new GenericPiecewiseOpImage<PiecewiseTransform1DElement>(
                source, lic, l, bandIndex, roi, nodata, hints, true);
    }
}
